The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 1992
Filed:
Aug. 05, 1991
Applicant:
Inventors:
James J Maul, Grand Island, NY (US);
Garra C Lester, Eden, NY (US);
Henry C Lin, Grand Island, NY (US);
Assignee:
Occidental Chemical Corporation, Niagara Falls, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568436 ; 568426 ; 568437 ;
Abstract
p-Trifluoromethyl benzaldehydes are prepared by the catalytic reduction reaction of p-trifluoromethyl benzonitriles with hydrogen in an aqueous formic acid media in the presence of a nickel/aluminum alloy catalyst.